Mixed partitions of n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =3a(5) =6a(6) =9a(7) =14a(8) =20a(9) =29a(10) =42a(11) =58a(12) =79a(13) =108a(14) =145a(15) =191a(16) =252a(17) =329a(18) =427a(19) =549a(20) =704a(21) =894a(22) =1136a(23) =1427a(24) =1793a(25) =2237a(26) =2789a(27) =3450a(28) =4268a(29) =5248